Multiple choice

The Indian Standard time is based on the meridian passing through which of the following places

  1. Delhi

  2. Calcutta

  3. Mumbai

  4. Allahabad

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Indian Standard Time is calculated from the longitude of 82.5°E, which passes near Allahabad (now Prayagraj). The IST meridian runs through the city, making it the reference point for India's uniform time zone.